Unit 7 Test Review

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°
• 900°
• 1080°
• 1260°

3 angles of a quadrilateral are 110, 120 and 50.  What is the measure of the 4th angle?

• 60
• 70
• 80
• 130

What is the sum of the interiors angles of a 22-gon?

• 3600

• 3960

• 7200

• 1260

What is the sum of exterior angles of a pentagon?

• 180
• 360
• 540
• 760

What is the formula for finding the sum of the interior angles of a polygon?

• S= (n-2)180
• S= (n-180)2
• S= (n-2)180/n
• S= (n - 180)2/n

What is the sum of the exterior angles of a polygon?

• 180(n-2)
• 180
• (180(n-2))/n
• 360

What is the SUM of the angle measures in a triangle?

• 60°
• 90°
• 120°
• 180°

What is the sum of the interior angles for a 24-gon?

• 3960
• 360
• 15
• 4280

The sum of 5 angles of a hexagon is 600^o.  What is the measure of the 6th angle?

• 90^o
• 120^o
• 100^o
• 60^o

Find the measure of angle E.

• 9
• 97°
• 48°
• 79°